EP3868607A1 - Pedestrian alert device for electric vehicle - Google Patents

Pedestrian alert device for electric vehicle Download PDF

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Publication number
EP3868607A1
EP3868607A1 EP19874420.3A EP19874420A EP3868607A1 EP 3868607 A1 EP3868607 A1 EP 3868607A1 EP 19874420 A EP19874420 A EP 19874420A EP 3868607 A1 EP3868607 A1 EP 3868607A1
Authority
EP
European Patent Office
Prior art keywords
accelerator pedal
controller
alert device
installation box
pedestrian alert
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19874420.3A
Other languages
German (de)
French (fr)
Other versions
EP3868607B1 (en
EP3868607A4 (en
Inventor
Hongbing DING
Kaihua QIAN
Wenwei Liu
Guoqiang Chai
Jianming Zhou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Sonavox Electronics Co Ltd
Original Assignee
Suzhou Sonavox Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Sonavox Electronics Co Ltd filed Critical Suzhou Sonavox Electronics Co Ltd
Publication of EP3868607A1 publication Critical patent/EP3868607A1/en
Publication of EP3868607A4 publication Critical patent/EP3868607A4/en
Application granted granted Critical
Publication of EP3868607B1 publication Critical patent/EP3868607B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
    • B60Q5/008—Arrangement or adaptation of acoustic signal devices automatically actuated for signaling silent vehicles, e.g. for warning that a hybrid or electric vehicle is approaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Definitions

  • the present invention relates to a pedestrian alert device for an electric vehicle.
  • a pedestrian warning device for an electric vehicle usually includes a sound producing mechanism such as a loudspeaker, a control unit, and an accelerator pedal mechanism.
  • a sound producing mechanism such as a loudspeaker
  • a control unit such as a loudspeaker
  • an accelerator pedal mechanism such as a bicycle crank mechanism
  • the three parts, namely, the sound producing mechanism, the controller unit, and the accelerator pedal mechanism are separately arranged in different portions of the vehicle, especially the control unit and the accelerator pedal mechanism need to exchange data frequently, but they are independently arranged and far apart, and the data transmission process therebetween is complicated, the cost is extremely high, and the structure is not compact enough.
  • the present invention provides a pedestrian alert device for an electric vehicle having low cost and a compact structure.
  • the accelerator pedal mechanism comprises an installation box, an installation base fixedly connected to the installation box, and an accelerator pedal disposed on the installation base, the installation box has a chamber, and the controller is disposed in the chamber of the installation box.
  • the controller is electrically connected to the sound producing mechanism by a wire.
  • the installation box is provided with a through-hole for the wire to pass through.
  • the installation box is a wooden box.
  • the sound producing mechanism comprises a housing and a loudspeaker mounted within the housing.
  • the sound producing mechanism further comprises a grille cover for protecting the loudspeaker, and the grille cover is fixedly arranged on the housing.
  • the housing is arranged on a bumper on a front side of the vehicle.
  • the accelerator pedal mechanism further comprises an accelerator pedal signal conversion output device for outputting an accelerator pedal signal according to accelerator pedaling angle and strength;
  • the controller comprises a signal processing audio device for receiving the accelerator pedal signal and processing a pre-stored audio signal to output an audio signal corresponding to a current accelerator pedaling angle and strength; the sound producing mechanism is used to emit a warning sound according to the audio signal output by the controller.
  • the controller further comprises a storage device for storing the pre-stored audio file.
  • the pedestrian alert device for an electric vehicle comprises an accelerator pedal mechanism 1, a controller 2 (not shown in Figure 1 ) and a sound producing mechanism 3.
  • the controller 2 is electrically connected to the accelerator pedal mechanism 1 and the sound producing mechanism 3, respectively, and the controller 2 is disposed on the accelerator pedal mechanism 1.
  • the controller 2 is installed on the bottom of the vehicle compartment along with the accelerator pedal mechanism 1, and the sound producing mechanism 3 is installed outside the vehicle, preferably on the bumper on the front side of the vehicle.
  • the accelerator pedal mechanism 1 comprises an installation box 11, an installation base 12 fixedly connected to the installation box 11, and an accelerator pedal 13 disposed on the installation base 12, the installation box 11 has a chamber, and the controller 2 is disposed in the chamber of the installation box 11. Specifically, an upper end of the installation box 11 is open, the installation base 12 is fixedly arranged on the upper end of the installation box 11 to close the controller 2 in the installation box 11, and the accelerator pedal 13 is arranged on the upper surface of the installation base 12.
  • the installation base 12 is preferably a wooden box.
  • the accelerator pedal mechanism 1 further comprises an accelerator pedal signal conversion output device for outputting an accelerator pedal signal according to accelerator pedaling angle and strength;
  • the controller 2 comprises a signal processing audio device for receiving the accelerator pedal signal and processing a pre-stored audio signal to output an audio signal corresponding to the current accelerator pedaling angle and strength;
  • the loudspeaker of the sound producing mechanism 3 emits a warning sound according to the audio signal output by the controller 2.
  • the controller 2 further comprises a storage device, and the pre-stored audio file is stored in the storage device.
  • the controller 2 is electrically connected to the sound producing mechanism 3 by a wire 4.
  • the installation box 11 is provided with a through-hole 110 for the wire 4 to pass through, and the through-hole 110 is opened on a sidewall of the installation box 11.
  • the sound producing mechanism 3 comprises a housing 31 and a loudspeaker mounted within the housing 31 (not shown in Figure 1 ).
  • the sound producing mechanism 3 further comprises a grille cover 32 for protecting the loudspeaker, the grille cover 32 is fixedly arranged on the housing 31, and the housing 31 is arranged on the bumper on the front side of the vehicle.
  • the grille cover 32 has a plurality of evenly distributed vents, the vents are rectangular holes formed by intersecting ribs, which protect the loudspeaker in the housing 31 while facilitating the sound transmission of the loudspeaker, especially for protecting the fragile paper cones of the loudspeaker.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

The present invention relates to a pedestrian alert device for an electric vehicle, comprising an accelerator pedal mechanism (1), a controller (2), and a sound producing mechanism (3). The controller (2) is electrically connected to the accelerator pedal mechanism (1) and the sound producing mechanism (3) respectively, and is disposed on the accelerator pedal mechanism (1). The accelerator pedal mechanism (1) comprises an installation box (11), an installation base (12) fixedly connected to the installation box (11), and an accelerator pedal (13) disposed on the installation base (12), the installation box (11) has a chamber, and the controller (2) is disposed in the chamber of the installation box (11). The controller (2) is electrically connected to the sound producing mechanism (3) by a wire (4), and the installation box (11) is provided with a through-hole for passing through the wire (4). The pedestrian alert device for an electric vehicle has low cost and a compact structure.

Description

    Cross Reference to Related Application(s)
  • This application claims priority of Chinese Patent Application CN 201821685350.6 filed on October 17, 2018 .
    • Technical Field
  • The present invention relates to a pedestrian alert device for an electric vehicle.
    • Background
  • In recent years, as the promotion of energy conservation and emission reduction, the electric vehicle industry has developed rapidly. Since electric vehicles do not have the engines of traditional fuel vehicles, they have relatively low noise when driving at low speeds, which is difficult for pedestrians to notice, thus there is a safety hazard. In a crowded and complex environment, it is easy to cause traffic accidents. Therefore, a type of pedestrian warning device for electric vehicles has developed, which can ensure that when the electric vehicle is driving at a low speed, it can remind pedestrians by simulating sound, so as to avoid the risk of traffic accidents.
  • In the prior art, a pedestrian warning device for an electric vehicle usually includes a sound producing mechanism such as a loudspeaker, a control unit, and an accelerator pedal mechanism. However, in the existed pedestrian warning device, the three parts, namely, the sound producing mechanism, the controller unit, and the accelerator pedal mechanism are separately arranged in different portions of the vehicle, especially the control unit and the accelerator pedal mechanism need to exchange data frequently, but they are independently arranged and far apart, and the data transmission process therebetween is complicated, the cost is extremely high, and the structure is not compact enough.
    • Summary
  • Aimed at the above-mentioned problems, the present invention provides a pedestrian alert device for an electric vehicle having low cost and a compact structure.
  • To achieve the above purpose, a technical solution employed by the present invention is:
    • a pedestrian alert device for an electric vehicle, comprising an accelerator pedal mechanism, a controller and a sound producing mechanism, and the controller is electrically connected to the accelerator pedal mechanism and the sound producing mechanism, respectively, and is disposed on the accelerator pedal mechanism.
  • In an embodiment, the accelerator pedal mechanism comprises an installation box, an installation base fixedly connected to the installation box, and an accelerator pedal disposed on the installation base, the installation box has a chamber, and the controller is disposed in the chamber of the installation box.
  • In an embodiment, the controller is electrically connected to the sound producing mechanism by a wire.
  • In an embodiment, the installation box is provided with a through-hole for the wire to pass through.
  • In an embodiment, the installation box is a wooden box.
  • In an embodiment, the sound producing mechanism comprises a housing and a loudspeaker mounted within the housing.
  • In an embodiment, the sound producing mechanism further comprises a grille cover for protecting the loudspeaker, and the grille cover is fixedly arranged on the housing.
  • In an embodiment, the housing is arranged on a bumper on a front side of the vehicle.
  • In an embodiment, the accelerator pedal mechanism further comprises an accelerator pedal signal conversion output device for outputting an accelerator pedal signal according to accelerator pedaling angle and strength; the controller comprises a signal processing audio device for receiving the accelerator pedal signal and processing a pre-stored audio signal to output an audio signal corresponding to a current accelerator pedaling angle and strength; the sound producing mechanism is used to emit a warning sound according to the audio signal output by the controller.
  • In an embodiment, the controller further comprises a storage device for storing the pre-stored audio file.
  • Compared with the prior art, the technical solutions employed by the present invention have the following advantages:
    • it can remind pedestrians by simulating sound to avoid the risk of traffic accidents and have an intuitive driving feeling for the driver when driving an electric vehicle, which can also avoid the risk of driver fatigue while increasing the driving pleasure of driving an electric vehicle; integrating the controller on the accelerator pedal mechanism facilitates data transmission between the controller and the accelerator pedal mechanism, improves efficiency, and has a lower cost and a compact structure.
    Brief Description of the Drawings
  • For more clearly explaining the technical solutions of the present invention, the accompanying drawings used to describe embodiments are simply introduced in the following. Apparently, the below described drawings merely show a part of the embodiments of the present invention, and those skilled in the art can obtain other drawings according to the accompanying drawings without creative work.
    • Figure 1 is a schematic structural diagram of a pedestrian alert device for an electric vehicle according to an embodiment of the present invention.
    • Figure 2 is an exploded schematic diagram of the accelerator pedal mechanism and the controller in Figure 1.
  • Wherein
    1 - accelerator pedal mechanism; 11 - installation box; 110 - through-hole; 12 - installation base; 13 - accelerator pedal; 2 - controller; 3 - sound producing mechanism; 31 - housing; 32 - grille cover; 4 - wire.
    • Detailed Description of Exemplary Embodiments
  • In the following, the preferable embodiments of the present invention are explained in detail combining with the accompanying drawings so that the advantages and features of the present invention can be easily understood by the skilled persons in the art. It should be noted that the explanation on these implementations is to help understanding of the present invention, and is not intended to limit the present invention.
  • This embodiment aims to provide a pedestrian alert device for an electric vehicle, which can simulate and reproduce car sounds (such as the engine sound of a traditional fuel vehicle) to increase the driving pleasure of the driver when driving an electric vehicle and avoid fatigue driving, and at the same time, it serves as a warning to remind pedestrians around to pay attention to avoidance when at low speeds. Referring to Figure 1 and Figure 2, the pedestrian alert device for an electric vehicle, comprises an accelerator pedal mechanism 1, a controller 2 (not shown in Figure 1) and a sound producing mechanism 3. The controller 2 is electrically connected to the accelerator pedal mechanism 1 and the sound producing mechanism 3, respectively, and the controller 2 is disposed on the accelerator pedal mechanism 1. The controller 2 is installed on the bottom of the vehicle compartment along with the accelerator pedal mechanism 1, and the sound producing mechanism 3 is installed outside the vehicle, preferably on the bumper on the front side of the vehicle.
  • Referring to Figure 2, the accelerator pedal mechanism 1 comprises an installation box 11, an installation base 12 fixedly connected to the installation box 11, and an accelerator pedal 13 disposed on the installation base 12, the installation box 11 has a chamber, and the controller 2 is disposed in the chamber of the installation box 11. Specifically, an upper end of the installation box 11 is open, the installation base 12 is fixedly arranged on the upper end of the installation box 11 to close the controller 2 in the installation box 11, and the accelerator pedal 13 is arranged on the upper surface of the installation base 12. The installation base 12 is preferably a wooden box. The accelerator pedal mechanism 1 further comprises an accelerator pedal signal conversion output device for outputting an accelerator pedal signal according to accelerator pedaling angle and strength; the controller 2 comprises a signal processing audio device for receiving the accelerator pedal signal and processing a pre-stored audio signal to output an audio signal corresponding to the current accelerator pedaling angle and strength; the loudspeaker of the sound producing mechanism 3 emits a warning sound according to the audio signal output by the controller 2. Further, the controller 2 further comprises a storage device, and the pre-stored audio file is stored in the storage device.
  • The controller 2 is electrically connected to the sound producing mechanism 3 by a wire 4. The installation box 11 is provided with a through-hole 110 for the wire 4 to pass through, and the through-hole 110 is opened on a sidewall of the installation box 11.
  • The sound producing mechanism 3 comprises a housing 31 and a loudspeaker mounted within the housing 31 (not shown in Figure 1). The sound producing mechanism 3 further comprises a grille cover 32 for protecting the loudspeaker, the grille cover 32 is fixedly arranged on the housing 31, and the housing 31 is arranged on the bumper on the front side of the vehicle. The grille cover 32 has a plurality of evenly distributed vents, the vents are rectangular holes formed by intersecting ribs, which protect the loudspeaker in the housing 31 while facilitating the sound transmission of the loudspeaker, especially for protecting the fragile paper cones of the loudspeaker.
  • The embodiments described above are only for illustrating the technical concepts and features of the present invention, and are intended to make those skilled in the art being able to understand the present invention and thereby implement it, and should not be concluded to limit the protective scope of this invention.

Claims (10)

  1. A pedestrian alert device for an electric vehicle, comprising an accelerator pedal mechanism, a controller, and a sound producing mechanism, is characterized in that, the controller is electrically connected to the accelerator pedal mechanism and the sound producing mechanism, respectively, and is disposed on the accelerator pedal mechanism.
  2. The pedestrian alert device according to claim 1, is characterized in that, the accelerator pedal mechanism comprises an installation box, an installation base fixedly connected to the installation box, and an accelerator pedal disposed on the installation base, the installation box has a chamber, and the controller is disposed in the chamber of the installation box.
  3. The pedestrian alert device according to claim 2, is characterized in that, the controller is electrically connected to the sound producing mechanism by a wire.
  4. The pedestrian alert device according to claim 3, is characterized in that, the installation box is provided with a through-hole for the wire to pass through.
  5. The pedestrian alert device according to claim 2, is characterized in that, the installation box is a wooden box.
  6. The pedestrian alert device according to claim 1, is characterized in that, the sound producing mechanism comprises a housing and a loudspeaker mounted within the housing.
  7. The pedestrian alert device according to claim 6, is characterized in that, the sound producing mechanism further comprises a grille cover for protecting the loudspeaker, and the grille cover is fixedly arranged on the housing.
  8. The pedestrian alert device according to claim 6, is characterized in that, the housing is arranged on a bumper on a front side of the vehicle.
  9. The pedestrian alert device according to claim 1, is characterized in that, the accelerator pedal mechanism further comprises an accelerator pedal signal conversion output device for outputting an accelerator pedal signal according to accelerator pedaling angle and strength; the controller comprises a signal processing audio device for receiving the accelerator pedal signal and processing a pre-stored audio signal to output an audio signal corresponding to a current accelerator pedaling angle and strength; the sound producing mechanism is used to emit a warning sound according to the audio signal output by the controller.
  10. The pedestrian alert device according to claim 9, is characterized in that, the controller further comprises a storage device for storing the pre-stored audio file.
EP19874420.3A 2018-10-17 2019-10-14 Pedestrian alert device for electric vehicle Active EP3868607B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821685350.6U CN208867939U (en) 2018-10-17 2018-10-17 A kind of pedestrian alarming device
PCT/CN2019/111019 WO2020078316A1 (en) 2018-10-17 2019-10-14 Pedestrian alert device for electric vehicle

Publications (3)

Publication Number Publication Date
EP3868607A1 true EP3868607A1 (en) 2021-08-25
EP3868607A4 EP3868607A4 (en) 2022-07-06
EP3868607B1 EP3868607B1 (en) 2023-10-04

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EP19874420.3A Active EP3868607B1 (en) 2018-10-17 2019-10-14 Pedestrian alert device for electric vehicle

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US (1) US20220005345A1 (en)
EP (1) EP3868607B1 (en)
JP (1) JP3234598U (en)
CN (1) CN208867939U (en)
WO (1) WO2020078316A1 (en)

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CN112009361A (en) * 2020-09-14 2020-12-01 石家庄康利达电子有限公司 Automobile pedestrian warning device based on PWM signal

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Publication number Publication date
WO2020078316A1 (en) 2020-04-23
JP3234598U (en) 2021-10-21
EP3868607B1 (en) 2023-10-04
US20220005345A1 (en) 2022-01-06
CN208867939U (en) 2019-05-17
EP3868607A4 (en) 2022-07-06

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